When passed argument 'ns' is 0, macro DIV_ROUND_UP will return 0 also. Cc: Paolo Bonzini <pbonz...@redhat.com> Signed-off-by: Cao jin <caoj.f...@cn.fujitsu.com> --- qemu-timer.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/qemu-timer.c b/qemu-timer.c index eb22e92..cfe0893 100644 --- a/qemu-timer.c +++ b/qemu-timer.c @@ -285,12 +285,8 @@ int qemu_timeout_ns_to_ms(int64_t ns) return -1; } - if (!ns) { - return 0; - } - /* Always round up, because it's better to wait too long than to wait too - * little and effectively busy-wait + * short and effectively busy-wait */ ms = DIV_ROUND_UP(ns, SCALE_MS); -- 2.1.0